761541980981 has 8 divisors (see below), whose sum is σ = 764435412864. Its totient is φ = 758649162240.

The previous prime is 761541980957. The next prime is 761541980987. The reversal of 761541980981 is 189089145167.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 761541980981 - 2¹⁴ = 761541964597 is a prime.

It is a super-2 number, since 2×761541980981² (a number of 25 digits) contains 22 as substring.

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 761541980981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761541980987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2417141 + ... + 2713973.

It is an arithmetic number, because the mean of its divisors is an integer number (95554426608).

Almost surely, 2^761541980981 is an apocalyptic number.

It is an amenable number.

761541980981 is a deficient number, since it is larger than the sum of its proper divisors (2893431883).

761541980981 is a wasteful number, since it uses less digits than its factorization.

761541980981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306571.

The product of its (nonzero) digits is 4354560, while the sum is 59.

The spelling of 761541980981 in words is "seven hundred sixty-one billion, five hundred forty-one million, nine hundred eighty thousand, nine hundred eighty-one".