7356651421 has 8 divisors (see below), whose sum is σ = 8408132480. Its totient is φ = 6305303088.

The previous prime is 7356651409. The next prime is 7356651427. The reversal of 7356651421 is 1241566537.

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

It is not a de Polignac number, because 7356651421 - 2⁹ = 7356650909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7356651427) 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, 162715 + ... + 202951.

It is an arithmetic number, because the mean of its divisors is an integer number (1051016560).

Almost surely, 2^7356651421 is an apocalyptic number.

It is an amenable number.

7356651421 is a deficient number, since it is larger than the sum of its proper divisors (1051481059).

7356651421 is a wasteful number, since it uses less digits than its factorization.

7356651421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66363.

The product of its digits is 151200, while the sum is 40.

The square root of 7356651421 is about 85770.9241001868. The cubic root of 7356651421 is about 1944.8826085466.

The spelling of 7356651421 in words is "seven billion, three hundred fifty-six million, six hundred fifty-one thousand, four hundred twenty-one".