245287061951 has 10 divisors (see below), whose sum is σ = 260617408512. Its totient is φ = 230858332640.

The previous prime is 245287061933. The next prime is 245287062077. The reversal of 245287061951 is 159160782542.

It is not a de Polignac number, because 245287061951 - 2³⁴ = 228107192767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245287061951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245287061351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1384895 + ... + 1551936.

Almost surely, 2^245287061951 is an apocalyptic number.

245287061951 is a deficient number, since it is larger than the sum of its proper divisors (15330346561).

245287061951 is an frugal number, since it uses more digits than its factorization.

245287061951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936899 (or 2936848 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 245287061951 in words is "two hundred forty-five billion, two hundred eighty-seven million, sixty-one thousand, nine hundred fifty-one".