65273270537 has 4 divisors (see below), whose sum is σ = 65274695376. Its totient is φ = 65271845700.

The previous prime is 65273270507. The next prime is 65273270551. The reversal of 65273270537 is 73507237256.

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 a cyclic number.

It is not a de Polignac number, because 65273270537 - 2⁸ = 65273270281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65273270491 and 65273270500.

It is not an unprimeable number, because it can be changed into a prime (65273270507) 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, 641339 + ... + 736112.

It is an arithmetic number, because the mean of its divisors is an integer number (16318673844).

Almost surely, 2^65273270537 is an apocalyptic number.

It is an amenable number.

65273270537 is a deficient number, since it is larger than the sum of its proper divisors (1424839).

65273270537 is a wasteful number, since it uses less digits than its factorization.

65273270537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424838.

The product of its (nonzero) digits is 1852200, while the sum is 47.

The spelling of 65273270537 in words is "sixty-five billion, two hundred seventy-three million, two hundred seventy thousand, five hundred thirty-seven".