3953998373 has 4 divisors (see below), whose sum is σ = 4258152108. Its totient is φ = 3649844640.

The previous prime is 3953998369. The next prime is 3953998381. The reversal of 3953998373 is 3738993593.

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 2735080804 + 1218917569 = 52298^2 + 34913^2 .

It is not a de Polignac number, because 3953998373 - 2² = 3953998369 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 (3953998343) 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, 152076848 + ... + 152076873.

It is an arithmetic number, because the mean of its divisors is an integer number (1064538027).

Almost surely, 2^3953998373 is an apocalyptic number.

It is an amenable number.

3953998373 is a deficient number, since it is larger than the sum of its proper divisors (304153735).

3953998373 is a wasteful number, since it uses less digits than its factorization.

3953998373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304153734.

The product of its digits is 16533720, while the sum is 59.

The square root of 3953998373 is about 62880.8267518804. The cubic root of 3953998373 is about 1581.2923215552.

The spelling of 3953998373 in words is "three billion, nine hundred fifty-three million, nine hundred ninety-eight thousand, three hundred seventy-three".