2635531442 has 4 divisors (see below), whose sum is σ = 3953297166. Its totient is φ = 1317765720.

The previous prime is 2635531421. The next prime is 2635531463. The reversal of 2635531442 is 2441355362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2441355362 = 2 ⋅1220677681.

It is an interprime number because it is at equal distance from previous prime (2635531421) and next prime (2635531463).

It can be written as a sum of positive squares in only one way, i.e., 1728979561 + 906551881 = 41581^2 + 30109^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658882859 + ... + 658882862.

Almost surely, 2^2635531442 is an apocalyptic number.

2635531442 is a deficient number, since it is larger than the sum of its proper divisors (1317765724).

2635531442 is a wasteful number, since it uses less digits than its factorization.

2635531442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317765723.

The product of its digits is 86400, while the sum is 35.

The square root of 2635531442 is about 51337.4273021156. The cubic root of 2635531442 is about 1381.3044170613.

The spelling of 2635531442 in words is "two billion, six hundred thirty-five million, five hundred thirty-one thousand, four hundred forty-two".