3954352515 has 16 divisors (see below), whose sum is σ = 6368868096. Its totient is φ = 2095020000.

The previous prime is 3954352471. The next prime is 3954352531. The reversal of 3954352515 is 5152534593.

3954352515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3954352515 - 2¹⁶ = 3954286979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870661 + ... + 875190.

It is an arithmetic number, because the mean of its divisors is an integer number (398054256).

Almost surely, 2^3954352515 is an apocalyptic number.

3954352515 is a deficient number, since it is larger than the sum of its proper divisors (2414515581).

3954352515 is a wasteful number, since it uses less digits than its factorization.

3954352515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746010.

The product of its digits is 405000, while the sum is 42.

The square root of 3954352515 is about 62883.6426664359. The cubic root of 3954352515 is about 1581.3395299128.

The spelling of 3954352515 in words is "three billion, nine hundred fifty-four million, three hundred fifty-two thousand, five hundred fifteen".