1972359955 has 8 divisors (see below), whose sum is σ = 2368319904. Its totient is φ = 1576896000.

The previous prime is 1972359943. The next prime is 1972360007. The reversal of 1972359955 is 5599532791.

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

It is not a de Polignac number, because 1972359955 - 2¹³ = 1972351763 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1972359896 and 1972359905.

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, 115191 + ... + 131200.

It is an arithmetic number, because the mean of its divisors is an integer number (296039988).

Almost surely, 2^1972359955 is an apocalyptic number.

1972359955 is a deficient number, since it is larger than the sum of its proper divisors (395959949).

1972359955 is a wasteful number, since it uses less digits than its factorization.

1972359955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247997.

The product of its digits is 3827250, while the sum is 55.

The square root of 1972359955 is about 44411.2593268869. The cubic root of 1972359955 is about 1254.0900596002.

The spelling of 1972359955 in words is "one billion, nine hundred seventy-two million, three hundred fifty-nine thousand, nine hundred fifty-five".