761542157030663 has 4 divisors (see below), whose sum is σ = 762839503125000. Its totient is φ = 760244810936328.

The previous prime is 761542157030659. The next prime is 761542157030713. The reversal of 761542157030663 is 366030751245167.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 761542157030663 - 2² = 761542157030659 is a prime.

It is a super-2 number, since 2×761542157030663² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 761542157030599 and 761542157030608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761542157030653) 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 3 ways as a sum of consecutive naturals, for example, 648673046288 + ... + 648673047461.

It is an arithmetic number, because the mean of its divisors is an integer number (190709875781250).

Almost surely, 2^{761542157030663} is an apocalyptic number.

761542157030663 is a deficient number, since it is larger than the sum of its proper divisors (1297346094337).

761542157030663 is a wasteful number, since it uses less digits than its factorization.

761542157030663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297346094336.

The product of its (nonzero) digits is 19051200, while the sum is 56.

The spelling of 761542157030663 in words is "seven hundred sixty-one trillion, five hundred forty-two billion, one hundred fifty-seven million, thirty thousand, six hundred sixty-three".