64620076033 has 16 divisors (see below), whose sum is σ = 66265401600. Its totient is φ = 62997436800.

The previous prime is 64620076009. The next prime is 64620076057. The reversal of 64620076033 is 33067002646.

It is an interprime number because it is at equal distance from previous prime (64620076009) and next prime (64620076057).

It is a cyclic number.

It is not a de Polignac number, because 64620076033 - 2²¹ = 64617978881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64620075983 and 64620076001.

It is not an unprimeable number, because it can be changed into a prime (64620076063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4556808 + ... + 4570966.

It is an arithmetic number, because the mean of its divisors is an integer number (4141587600).

Almost surely, 2^64620076033 is an apocalyptic number.

It is an amenable number.

64620076033 is a deficient number, since it is larger than the sum of its proper divisors (1645325567).

64620076033 is a wasteful number, since it uses less digits than its factorization.

64620076033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14952.

The product of its (nonzero) digits is 108864, while the sum is 37.

Adding to 64620076033 its reverse (33067002646), we get a palindrome (97687078679).

The spelling of 64620076033 in words is "sixty-four billion, six hundred twenty million, seventy-six thousand, thirty-three".