1961460351 has 24 divisors (see below), whose sum is σ = 2914241616. Its totient is φ = 1270563840.

The previous prime is 1961460329. The next prime is 1961460359. The reversal of 1961460351 is 1530641691.

1961460351 is a `hidden beast` number, since 1 + 9 + 614 + 6 + 0 + 35 + 1 = 666.

It is not a de Polignac number, because 1961460351 - 2¹⁰ = 1961459327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961460359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61561 + ... + 87821.

It is an arithmetic number, because the mean of its divisors is an integer number (121426734).

Almost surely, 2^1961460351 is an apocalyptic number.

1961460351 is a deficient number, since it is larger than the sum of its proper divisors (952781265).

1961460351 is a wasteful number, since it uses less digits than its factorization.

1961460351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26503 (or 26500 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 1961460351 is about 44288.3771547344. The cubic root of 1961460351 is about 1251.7756845743.

The spelling of 1961460351 in words is "one billion, nine hundred sixty-one million, four hundred sixty thousand, three hundred fifty-one".