48457651089409 has 3 divisors (see below), whose sum is σ = 48457658050563. Its totient is φ = 48457644128256.

The previous prime is 48457651089401. The next prime is 48457651089493. The reversal of 48457651089409 is 90498015675484.

The square root of 48457651089409 is 6961153.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 23698348929025 + 24759302160384 = 4868095^2 + 4975872^2 .

It is not a de Polignac number, because 48457651089409 - 2³ = 48457651089401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48457651089401) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3480577 + ... + 10441729.

It is an arithmetic number, because the mean of its divisors is an integer number (16152552683521).

Almost surely, 2^{48457651089409} is an apocalyptic number.

48457651089409 is the 6961153-rd square number.

48457651089409 is the 3480577-th centered octagonal number.

It is an amenable number.

48457651089409 is a deficient number, since it is larger than the sum of its proper divisors (6961154).

48457651089409 is an frugal number, since it uses more digits than its factorization.

48457651089409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13922306 (or 6961153 counting only the distinct ones).

The product of its (nonzero) digits is 348364800, while the sum is 70.

The spelling of 48457651089409 in words is "forty-eight trillion, four hundred fifty-seven billion, six hundred fifty-one million, eighty-nine thousand, four hundred nine".