610951657381 has 8 divisors (see below), whose sum is σ = 657955689440. Its totient is φ = 563948732592.

The previous prime is 610951657361. The next prime is 610951657471. The reversal of 610951657381 is 183756159016.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-610951657381 is a prime.

It is a super-2 number, since 2×610951657381² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610951657361) 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, 1136410 + ... + 1585348.

It is an arithmetic number, because the mean of its divisors is an integer number (82244461180).

Almost surely, 2^610951657381 is an apocalyptic number.

It is an amenable number.

610951657381 is a deficient number, since it is larger than the sum of its proper divisors (47004032059).

610951657381 is a wasteful number, since it uses less digits than its factorization.

610951657381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553635.

The product of its (nonzero) digits is 1360800, while the sum is 52.

The spelling of 610951657381 in words is "six hundred ten billion, nine hundred fifty-one million, six hundred fifty-seven thousand, three hundred eighty-one".