3142946474938 has 32 divisors (see below), whose sum is σ = 4768697546496. Its totient is φ = 1553437484928.

The previous prime is 3142946474933. The next prime is 3142946474971. The reversal of 3142946474938 is 8394746492413.

It is a super-2 number, since 2×3142946474938² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3142946474938.

It is not an unprimeable number, because it can be changed into a prime (3142946474933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375183406 + ... + 375191782.

It is an arithmetic number, because the mean of its divisors is an integer number (149021798328).

Almost surely, 2^{3142946474938} is an apocalyptic number.

3142946474938 is a deficient number, since it is larger than the sum of its proper divisors (1625751071558).

3142946474938 is a wasteful number, since it uses less digits than its factorization.

3142946474938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11518.

The product of its digits is 125411328, while the sum is 64.

The spelling of 3142946474938 in words is "three trillion, one hundred forty-two billion, nine hundred forty-six million, four hundred seventy-four thousand, nine hundred thirty-eight".