7351815961 has 8 divisors (see below), whose sum is σ = 8403277184. Its totient is φ = 6300655200.

The previous prime is 7351815959. The next prime is 7351815997. The reversal of 7351815961 is 1695181537.

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

It is not a de Polignac number, because 7351815961 - 2¹ = 7351815959 is a prime.

It is a Duffinian number.

7351815961 is a modest number, since divided by 815961 gives 7351 as remainder.

It is not an unprimeable number, because it can be changed into a prime (7351815941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19980 + ... + 122893.

It is an arithmetic number, because the mean of its divisors is an integer number (1050409648).

Almost surely, 2^7351815961 is an apocalyptic number.

It is an amenable number.

7351815961 is a deficient number, since it is larger than the sum of its proper divisors (1051461223).

7351815961 is a wasteful number, since it uses less digits than its factorization.

7351815961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150231.

The product of its digits is 226800, while the sum is 46.

The square root of 7351815961 is about 85742.7312429456. The cubic root of 7351815961 is about 1944.4563972742.

The spelling of 7351815961 in words is "seven billion, three hundred fifty-one million, eight hundred fifteen thousand, nine hundred sixty-one".