1951962542 has 8 divisors (see below), whose sum is σ = 3100175856. Its totient is φ = 918570592.

The previous prime is 1951962541. The next prime is 1951962547. The reversal of 1951962542 is 2452691591.

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

It is a super-2 number, since 2×1951962542² = 7620315530742203528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1951962493 and 1951962502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1951962541) 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, 28705298 + ... + 28705365.

It is an arithmetic number, because the mean of its divisors is an integer number (387521982).

Almost surely, 2^1951962542 is an apocalyptic number.

1951962542 is a deficient number, since it is larger than the sum of its proper divisors (1148213314).

1951962542 is a wasteful number, since it uses less digits than its factorization.

1951962542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57410682.

The product of its digits is 194400, while the sum is 44.

The square root of 1951962542 is about 44181.0201557185. The cubic root of 1951962542 is about 1249.7519597441.

The spelling of 1951962542 in words is "one billion, nine hundred fifty-one million, nine hundred sixty-two thousand, five hundred forty-two".