6936151945 has 8 divisors (see below), whose sum is σ = 8324878536. Its totient is φ = 5547924096.

The previous prime is 6936151939. The next prime is 6936151961. The reversal of 6936151945 is 5491516396.

It can be written as a sum of positive squares in 4 ways, for example, as 215267584 + 6720884361 = 14672^2 + 81981^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6936151945 - 2⁹ = 6936151433 is a prime.

It is a super-2 number, since 2×6936151945² = 96220407608254566050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93372 + ... + 150301.

It is an arithmetic number, because the mean of its divisors is an integer number (1040609817).

Almost surely, 2^6936151945 is an apocalyptic number.

It is an amenable number.

6936151945 is a deficient number, since it is larger than the sum of its proper divisors (1388726591).

6936151945 is a wasteful number, since it uses less digits than its factorization.

6936151945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249371.

The product of its digits is 874800, while the sum is 49.

The square root of 6936151945 is about 83283.5634744335. The cubic root of 6936151945 is about 1907.0973650710.

The spelling of 6936151945 in words is "six billion, nine hundred thirty-six million, one hundred fifty-one thousand, nine hundred forty-five".