46778264653 has 2 divisors, whose sum is σ = 46778264654. Its totient is φ = 46778264652.

The previous prime is 46778264629. The next prime is 46778264657. The reversal of 46778264653 is 35646287764.

46778264653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26569652004 + 20208612649 = 163002^2 + 142157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46778264653 is a prime.

It is a super-2 number, since 2×46778264653² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46778264657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23389132326 + 23389132327.

It is an arithmetic number, because the mean of its divisors is an integer number (23389132327).

Almost surely, 2^46778264653 is an apocalyptic number.

It is an amenable number.

46778264653 is a deficient number, since it is larger than the sum of its proper divisors (1).

46778264653 is an equidigital number, since it uses as much as digits as its factorization.

46778264653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40642560, while the sum is 58.

The spelling of 46778264653 in words is "forty-six billion, seven hundred seventy-eight million, two hundred sixty-four thousand, six hundred fifty-three".