1649371484031 has 8 divisors (see below), whose sum is σ = 2199180074880. Its totient is φ = 1099571941272.

The previous prime is 1649371484027. The next prime is 1649371484083. The reversal of 1649371484031 is 1304841739461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1649371484031 - 2² = 1649371484027 is a prime.

It is a super-2 number, since 2×1649371484031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1649371484231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1824595 + ... + 2574468.

It is an arithmetic number, because the mean of its divisors is an integer number (274897509360).

Almost surely, 2^{1649371484031} is an apocalyptic number.

1649371484031 is a deficient number, since it is larger than the sum of its proper divisors (549808590849).

1649371484031 is a wasteful number, since it uses less digits than its factorization.

1649371484031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524045.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 1649371484031 in words is "one trillion, six hundred forty-nine billion, three hundred seventy-one million, four hundred eighty-four thousand, thirty-one".