65536977403 has 2 divisors, whose sum is σ = 65536977404. Its totient is φ = 65536977402.

The previous prime is 65536977367. The next prime is 65536977409. The reversal of 65536977403 is 30477963556.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65536977403 is a prime.

It is not a weakly prime, because it can be changed into another prime (65536977409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32768488701 + 32768488702.

It is an arithmetic number, because the mean of its divisors is an integer number (32768488702).

Almost surely, 2^65536977403 is an apocalyptic number.

65536977403 is a deficient number, since it is larger than the sum of its proper divisors (1).

65536977403 is an equidigital number, since it uses as much as digits as its factorization.

65536977403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14288400, while the sum is 55.

The spelling of 65536977403 in words is "sixty-five billion, five hundred thirty-six million, nine hundred seventy-seven thousand, four hundred three".