46778264641 has 4 divisors (see below), whose sum is σ = 46782219712. Its totient is φ = 46774309572.

The previous prime is 46778264629. The next prime is 46778264653. The reversal of 46778264641 is 14646287764.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (46778264629) and next prime (46778264653).

It is a cyclic number.

It is not a de Polignac number, because 46778264641 - 2⁵ = 46778264609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46778264671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1959741 + ... + 1983466.

It is an arithmetic number, because the mean of its divisors is an integer number (11695554928).

Almost surely, 2^46778264641 is an apocalyptic number.

It is an amenable number.

46778264641 is a deficient number, since it is larger than the sum of its proper divisors (3955071).

46778264641 is a wasteful number, since it uses less digits than its factorization.

46778264641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3955070.

The product of its digits is 10838016, while the sum is 55.

The spelling of 46778264641 in words is "forty-six billion, seven hundred seventy-eight million, two hundred sixty-four thousand, six hundred forty-one".