2151350413 has 4 divisors (see below), whose sum is σ = 2225534940. Its totient is φ = 2077165888.

The previous prime is 2151350389. The next prime is 2151350477. The reversal of 2151350413 is 3140531512.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 595994569 + 1555355844 = 24413^2 + 39438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2151350413 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 (2151350213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37092220 + ... + 37092277.

It is an arithmetic number, because the mean of its divisors is an integer number (556383735).

Almost surely, 2^2151350413 is an apocalyptic number.

It is an amenable number.

2151350413 is a deficient number, since it is larger than the sum of its proper divisors (74184527).

2151350413 is an equidigital number, since it uses as much as digits as its factorization.

2151350413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74184526.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2151350413 is about 46382.6520694968. The cubic root of 2151350413 is about 1290.9330455034.

Adding to 2151350413 its reverse (3140531512), we get a palindrome (5291881925).

The spelling of 2151350413 in words is "two billion, one hundred fifty-one million, three hundred fifty thousand, four hundred thirteen".