10549973639 has 2 divisors, whose sum is σ = 10549973640. Its totient is φ = 10549973638.

The previous prime is 10549973593. The next prime is 10549973653. The reversal of 10549973639 is 93637994501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10549973639 - 2³² = 6255006343 is a prime.

It is a super-2 number, since 2×10549973639² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10549973669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5274986819 + 5274986820.

It is an arithmetic number, because the mean of its divisors is an integer number (5274986820).

Almost surely, 2^10549973639 is an apocalyptic number.

10549973639 is a deficient number, since it is larger than the sum of its proper divisors (1).

10549973639 is an equidigital number, since it uses as much as digits as its factorization.

10549973639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5511240, while the sum is 56.

The spelling of 10549973639 in words is "ten billion, five hundred forty-nine million, nine hundred seventy-three thousand, six hundred thirty-nine".